Chengyi Quality
Three System Certification
In order to adapt to the company’s development and to demonstrate the company’s ability to stably provide products that meet the requirements of customers and applicable laws and regulations, through the effective application of the system, we will continue to improve our company’s processes and product quality, and continue to increase customer satisfaction. Our company has established Complete quality management system, and passed the ISO9001, ISO14001 and ISO45001 three systems certified by China Certification Center.
ISO9001 certificate of quality management system
ISO9001 certificate of quality management systemISO9001 certificate of quality management system
ISO9001 certificate of quality management systemISO14001 certificate of Environmental Management System
ISO14001 certificate of Environmental Management SystemQuality Control System
Our company has established a comprehensive quality management system in accordance with the requirements of the ISO9001 "Quality Management System" standard. Our company continues to improve and continuously improve our quality management system. Through the establishment, effective implementation and improvement of the quality management system, our company’s Product quality and service have been well received by well-known domestic and foreign companies.
Program File Control
Complete system control documents, complete welding procedure qualification
Process Inspection Equipment
Controlled by advanced testing equipment, raw material composition determination, weld inspection, etc.
Welding Equipment
Automated welding is carried out to the greatest extent, and automatic welding of heat exchange tube and tube sheet and longitudinal girth welding seam is carried out
Processing Equipment
Special material equipment adopts cold cutting for blanking and special coiling equipment to ensure material performance and processing quality
Main Equipment
Edge planer
Edge planerPlate Shearing Machine
Plate Shearing MachineBending Machine
Bending MachinePlasma Longitudinal and Circular Automatic Welding Machine
Plasma Longitudinal and Circular Automatic Welding MachineTube End Automatic Welding Machine
Tube End Automatic Welding MachineLongitudinal and Circular Automatic Welding Machine
Longitudinal and Circular Automatic Welding MachineHydraulic Press
Hydraulic PressHeat Treatment Furnace
Heat Treatment FurnaceTechnology and R&D
Technology and R&D
The company's technical department digests and absorbs cutting-edge technology through cooperation with professional colleges, scientific research institutes, and design institutes, and masters the core technology of special equipment production and the design and manufacture of equipment proprietary internal parts;
The technicians focus on the R&D and manufacturing of special material equipment manufacturing. Through long-term scientific research and development and a large number of material welding tests, they are proficient in the welding and manufacturing of various special materials.
Property Rights and Patents
Certificate of patent for invention
Certificate of patent for inventionCertificate of utility model patent
Certificate of utility model patentCertificate of utility model patent
Certificate of utility model patentLukou Factory (office): No. 33, Shenzhou Road, Lukou Street, Jiangning District, Nanjing
Gaochun Factory: No. 7, Taoyuan South Road, Gaochun Economic and Technological Development Zone, Nanjing
Nanjing Chengyi Industrial Technology Co., Ltd. 苏ICP备2020065522号-2 Technical support: www.300.cn Nanjing